3.7x6分之5+1.4x六分之五-六分之五等于几?
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3.7×5/6+1.4×5/6-5/6
=5/6×(3.7+1.4-1)
=5/6×4.1
=5/6×41/10
=41/12=3.4
=5/6×(3.7+1.4-1)
=5/6×4.1
=5/6×41/10
=41/12=3.4
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解:3.7×5/6+1.4×5/6-5/6
=5/6×(3.7+1.4-1)
=5/6×4.1
=5/6×41/10(约分得)
=41/12
=3又5/12。
=5/6×(3.7+1.4-1)
=5/6×4.1
=5/6×41/10(约分得)
=41/12
=3又5/12。
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3.7×5/6+1.4×5/6-5/6
=5/6×(3.7+1.4-1)
=5/6×4.1
=5/6×41/10
=41/12
=5/6×(3.7+1.4-1)
=5/6×4.1
=5/6×41/10
=41/12
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